Felten & Guilleaume Energietechnik AG
Patent Owner
Stats
- 0 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Jun 22, 1993 most recent publication
Details
- 0 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 90 Total Citation Count
- Nov 02, 1987 Earliest Filing
- 6 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
- No Technology to Display
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Recent Publications
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Recent Patents
- No Recent Patents to Display
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
5222173 Electro-optical overhead wire with at least 24 light wave guidesExpiredAug 26, 91Jun 22, 93[G02B]
4996884 Light waveguide sensor for small pulling or pressing forcesExpiredJan 23, 90Mar 05, 91[G01L]
4972073 Light wave conductor-bending sensor with sliding rails for monitoring bridge structures or the likeExpiredJan 23, 90Nov 20, 90[H01J, G01L, G02B]
4943714 Method of continuous measurement of damping in an elongated light wave conductor-sensor having only one accessible endExpiredFeb 10, 89Jul 24, 90[H01J]
4900920 Device for and method of measuring minute elongations by means of light wave conductor sensorsExpiredNov 02, 87Feb 13, 90[H01J]
4900922 Arrangement of a light wave conductor-phase sensor for the measurement of minute elongationsExpiredMar 06, 89Feb 13, 90[H01J]
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